fix(filter): fix outgoing packet udp csum

sqproxy · Mar 16, 2020 · 65828d3 · 65828d3
1 parent 2de9f99
commit 65828d3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src-ebpf/redirect.c b/src-ebpf/redirect.c
@@ -94,7 +94,7 @@ int outgoing(struct __sk_buff *skb) {
     if (value != 0) {
         u16 gameserver_port = *value;
 
-        incr_cksum_l4(&udp->crc, udp->sport, gameserver_port, 1);
+        incr_cksum_l4(&udp->crc, udp->sport, gameserver_port, 2);
         udp->sport = gameserver_port;
     }